Can a crank shift and oil pump lock up your motor?

Yes, a locked crankshaft and oil pump can lead to engine failure. If the crankshaft seizes due to lack of lubrication or mechanical failure, it can prevent the engine from turning over. Similarly, a malfunctioning oil pump can cause insufficient oil flow, leading to increased friction and overheating, which may also result in engine lock-up. Both scenariOS can cause severe damage to the motor and may necessitate a complete engine rebuild or replacement.